/*
 * Copyright 2025 coze-dev Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export const getAncestorAttributeNode = (
  node: Node | null,
  attributeName: string,
): Element | null => {
  while (node && node !== document) {
    let attributeValue = null;
    if (node instanceof Element) {
      attributeValue = node.attributes.getNamedItem(attributeName)?.value;

      if (attributeValue) {
        return node;
      }
    }

    node = node.parentNode;
  }
  return null;
};
